CN207908984U - A kind of small-sized solar power-generating control system - Google Patents
A kind of small-sized solar power-generating control system Download PDFInfo
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- CN207908984U CN207908984U CN201721878458.2U CN201721878458U CN207908984U CN 207908984 U CN207908984 U CN 207908984U CN 201721878458 U CN201721878458 U CN 201721878458U CN 207908984 U CN207908984 U CN 207908984U
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- photovoltaic cell
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- solar power
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Abstract
The utility model provides a kind of small-sized solar power-generating control system, including pedestal, the submounts are fixed with horizontal motor, submounts are equipped with main shaft, main shaft relative to base rotation, is installed with rotating bracket, pitching motor is fixedly mounted on rotating bracket side by horizontal motor above main shaft, photovoltaic cell is installed, photovoltaic cell is rotated by pitching motor relative to rotating bracket at the top of rotating bracket；Photovoltaic cell upper surface is equipped with photosensitive unit.The utility model tracks azimuth and the elevation angle of the sun by two groups of horizontal and vertical photo resistance respectively, adjustment horizontal motor and pitching motor make photovoltaic cell always towards the strongest direction of sunray, daytime is system power supply and to charge the battery by photovoltaic cell simultaneously, and it is powered by battery discharging with the cloudy day at night and drives LED load, the transfer efficiency for effectively increasing photovoltaic cell extends the service life of photovoltaic cell.
Description
Technical field
The utility model is related to solar power generation control technology fields, more particularly to a kind of small-sized solar Generation Control system
System.
Background technology
The energy is the motive power promoted economic development with social progress, main used in the mankind since the industrial revolution
The energy is fossil energy.However its reserves is limited, it is prodigious that a large amount of use can cause global environment ecology and weather to generate
Variation.And solar energy is a kind of inexhaustible and free of contamination clean energy resource, the use with the mankind to the energy
It is shifted from conventional energy resource to regenerative resource, solar energy then becomes the alternative energy source of ideals of human being.And solar power generation at this stage
Device is fixed once the position for installing its photovoltaic cell, since sun irradiation angle is changing always, leads to the current sun
Energy generating efficiency is not generally high, and photovoltaic cell is the core of entire solar power system, so how to improve photovoltaic electric
The transfer efficiency in pond is to be worth research.
Utility model content
(1) the technical issues of solving
To solve the above-mentioned problems, the utility model provides a kind of small-sized solar power-generating control system, uses the sun
Tracer technique so that photovoltaic cell controls photovoltaic cell always towards the strongest direction of sunray according to environmental light intensity
It charges to accumulator, effectively raises the transfer efficiency of photovoltaic cell.
(2) technical solution
A kind of small-sized solar power-generating control system, including pedestal, the submounts are fixed with horizontal motor, the bottom
Seat is installed above a main shaft, the main shaft by the horizontal motor relative to the base rotation, it is fixed above the main shaft
Rotating bracket is installed, the pitching motor is fixedly mounted on the rotating bracket side, is equipped at the top of the rotating bracket
Photovoltaic cell, the photovoltaic cell are rotated by the pitching motor relative to the rotating bracket；The photovoltaic cell upper table
Face be equipped with photosensitive unit, the photosensitive unit include the first~the 4th light sensor and the first~the 4th resistance, described first
~the four light sensor is evenly distributed on the position of east, south, west, north four of the photovoltaic cell upper surface, first He
Third light sensor constitutes horizontal photographic department, the deflection angle i.e. azimuth that the detection sun is westerly moved by east, second He
4th light sensor constitutes vertical photographic department, detects the apparent altitude i.e. elevation angle of the sun；The chassis interior is equipped with control electricity
Road plate, the control circuit board respectively with the horizontal motor, the pitching motor, the photovoltaic cell and the photosensitive unit
It is electrically connected；
The control circuit board includes control unit, driving unit, DC-DC converter units, charge-discharge control unit and storage
Battery；The photosensitive unit output level changing value, the A/D mouths for being sent into described control unit carry out analog-to-digital conversion, the control
Unit exports pwm pulse signal, is connected with the input terminal of the driving unit；The driving unit includes the first and second light
Electric coupler, motor driver, horizontal motor and pitching motor, wherein first and second photoelectrical coupler is selected
TLP521-4, eight road NPN Darlington transistor driver ULN2803 of the motor driver selection, the horizontal motor are
57BYG007, the pitching motor are GSP-24RW-046, and the driving unit receives the drive signal of described control unit, point
The horizontal motor and the pitching motor positive and negative rotation are not controlled, to realize the photovoltaic cell positive and negative rotation；The DC-DC becomes
It includes first~third diode, the first inductance, the first and second capacitances, the 5th and the 6th resistance to change unit, wherein described the
Two capacitances are electrolytic capacitor, and the input terminal of the DC-DC converter units connects the photovoltaic cell, by the defeated of the photovoltaic cell
Go out the charging voltage that voltage transformation is the accumulator；The charge-discharge control unit includes voltage-stablizer, the third and fourth photoelectricity
Coupler, the first and second relays, the 4th and the 5th diode, the second inductance, the capacitance of third~the 5th and the 7th~the 9th
Resistance, wherein the voltage-stablizer selects three terminal regulator 7805, third and fourth photoelectrical coupler is TLP521-2, described
Third and fourth capacitance is electrolytic capacitor, and the charge-discharge control circuit receives the control signal of described control unit, passes through institute
The switching for stating the first and second relays controls the accumulator cell charging and discharging.
Further, the described first~the 4th light sensor selects GM5516 type photo resistance.
Further, described control unit selects microcontroller MSP430F148.
Further, photovoltaic cell specification the selection work 10~14V of voltage, operating current 1A.
Further, the accumulator specification selects 12V-7AH.
(3) advantageous effect
The utility model provides a kind of small-sized solar power-generating control system, passes through two groups of horizontal and vertical photosensitive electricity
The azimuth of the tracking sun and elevation angle, adjustment horizontal motor and pitching motor make photovoltaic cell always towards sunlight respectively for resistance
The strongest direction of line, while daytime is system power supply and to charge the battery by photovoltaic cell, and it is at night and cloudy by accumulator
Electric discharge powers and drives LED load, effectively increases the transfer efficiency of photovoltaic cell, extends the service life of photovoltaic cell,
Its is simple in structure, compact, easy for installation, cheap, and system power dissipation is low, and tracking precision is high, stability and good reliability,
Scalability is strong, using flexible, suitable for the solar power systems such as photovoltaic Traffic alarm light, small-sized photovoltaic power station.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of small-sized solar power-generating control system involved by the utility model.
Fig. 2 is a kind of functional block diagram of small-sized solar power-generating control system involved by the utility model.
Fig. 3 is a kind of photosensitive unit circuit theory of small-sized solar power-generating control system involved by the utility model
Figure.
Fig. 4 is a kind of driving unit circuit theory of small-sized solar power-generating control system involved by the utility model
Figure.
Fig. 5 is a kind of DC-DC conversion unit circuits of small-sized solar power-generating control system involved by the utility model
Schematic diagram.
Fig. 6 is a kind of charge-discharge control unit circuit of small-sized solar power-generating control system involved by the utility model
Schematic diagram.
Specific implementation mode
The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.
A kind of small-sized solar power-generating control system combined with Figure 1 and Figure 2, including pedestal 1, pedestal 1 are fixed on level
Motor 2, pedestal 1 is installed above to have main shaft 3, main shaft 3 to be rotated relative to pedestal 1 by horizontal motor 2, and main shaft 3 is fixed above to pacify
Equipped with rotating bracket 4, pitching motor 5 is fixedly mounted on 4 side of rotating bracket, and 4 top of rotating bracket is equipped with photovoltaic cell 6,
Photovoltaic cell 6 is rotated by pitching motor 5 relative to rotating bracket 4；6 upper surface of photovoltaic cell is equipped with photosensitive unit, photosensitive list
Member includes light sensor Re, light sensor Rs, light sensor Rw, light sensor Rn and resistance R1~R4, and light passes
Sensor Re, Rs, Rw and Rn are evenly distributed on the position of east, south, west, north four of 6 upper surface of photovoltaic cell, light sensor Re and
Rw constitutes horizontal photographic department, the deflection angle i.e. azimuth that the detection sun is westerly moved by east, and light sensor Rs and Rn constitute perpendicular
Straight photographic department detects the apparent altitude i.e. elevation angle of the sun；Pedestal 1 is internally provided with control circuit board, control circuit board respectively with water
Flat telegram machine 2, pitching motor 5, photovoltaic cell 6 and photosensitive unit are electrically connected.Control circuit board includes control unit, driving list
Member, DC-DC converter units, charge-discharge control unit and accumulator.
As shown in figure 3, photosensitive unit includes light sensor Re, light sensor Rs, light sensor Rw, light level
Device Rn and resistance R1~R4, light sensor Re, Rs, Rw and Rn select GM5516 type photo resistance.The photosensitive electricity of GM5516 types
The light resistance of resistance：5~10K Ω, dark resistance：200K Ω or more.Photo resistance Re and Rw constitute horizontal photographic department, resistance R1 and R2
Resistance value is identical, and when sunray is in azimuth direct projection, the resistance value of photo resistance Re and Rw is identical, photo resistance Rw and resistance
Level between R1 is equal with the level between photo resistance Re and resistance R2, if sunlight is not at azimuth direct projection, at two
Level will appear principal-employment or minus tolerance variation, the A/D mouths that the changing value of the level is sent into control unit are handled.Similarly, light
Quick resistance Rs and Rn constitutes vertical photographic department, will reflect sunray whether send by the level change value in elevation angle direct projection position
Enter the A/D mouths of control unit.
Photosensitive unit output level changing value, the A/D mouths for being sent into control unit carry out analog-to-digital conversion, control unit output
Pwm pulse signal is connected with the input terminal of driving unit.Control unit selects microcontroller MSP430F148, operating voltage
It is the singlechip chip of a band 10 A/D conversions for 3.3V, there is superpower jamproof characteristic, and there is ultralow work(
Consumption, electric current is only 4~7mA when normal work, electric current ＜ 1mA when idle.Its work period is only a clock cycle, can be with
The frequency for substantially reducing the external crystal-controlled oscillation used, to reduce electromagnetic interference.MSP430F148 few, small, valences with pin
The features such as lattice are low, easy to use can reduce development cost, shorten the development cycle.
As shown in figure 4, driving unit includes photoelectrical coupler U1 and U2, motor driver U3, horizontal motor M1 and pitching
Motor M2, wherein photoelectrical coupler U1 and U2 select TLP521-4, motor driver U3 to select eight road NPN Darlington transistor drivers
ULN2803, horizontal motor M1 are 57BYG007, and pitching motor M2 is GSP-24RW-046.Horizontal motor 57BYG007 and pitching
Motor GSP-24RW-046 is all four phase eight beat type stepper motor, when MSP430F148 output control signal PWM1, PWM2,
PWM3 and PWM4 takes high level, 1C feet~4C feet of motor driver ULN2803 to be followed successively by high level successively, thus gives level
Motor 57BYG007 rotates forward the pulse signal of a step；Conversely, PWM4, PWM3, PWM2 and PWM1 take high level, horizontal motor successively
57BYG007 inverts a step.PWM5~PWM8 is the control signal of pitching motor GSP-24RW-046, driving principle and level electricity
Machine 57BYG007 is identical.Driving unit receives the drive signal of MSP430F148, respectively controlled level motor M1 and pitching motor
M2 positive and negative rotations, to realize 6 positive and negative rotation of photovoltaic cell.
Due to photovoltaic cell 6 10~14V of normal working voltage, operating current 1A or so used by system, and used
Accumulator be 12V-7AH, the voltage that the accumulator of 12V generally requires 13~15V charges for it, if therefore photovoltaic cell 6
Without DC-DC conversion process, can not ensure to charge for accumulator voltage stabilizing.As shown in figure 5, DC-DC converter units include two poles
Pipe D1~D3, inductance L1, capacitance C1 and C2, resistance R5 and R6, wherein capacitance C2 are electrolytic capacitor.Battery E1 is photovoltaic cell 6,
Photovoltaic cell E1 voltages are increased to 14V by Boost circuit, are charged for accumulator voltage stabilizing.
As shown in fig. 6, charge-discharge control unit include voltage-stablizer U4, photoelectrical coupler U5A and U5B, relay S1 and S2,
Diode D4 and D5, inductance L2, capacitance C3~C5 and resistance R7~R9, wherein voltage-stablizer U4 select three terminal regulator 7805, light
Electric coupler U5A and U5B are TLP521-2, and capacitance C3 and C4 are electrolytic capacitor, and battery E2 is accumulator.Daytime, photovoltaic cell 6
It needs to charge for accumulator E2, so that accumulator E2 can power to LED load in night, and horizontal motor 2 and pitching motor 5
Operating voltage be also required to by photovoltaic cell 6 provide (if the underpower of photovoltaic cell 6 to drive motor, illustrates that sunshine is very poor,
Without rotary electric machine), while control circuit board also must continuously power.Charge-discharge control circuit needs to use two relay S1
And S2, relay S1 control accumulators E2 are charged and discharged, relay S2 controls provide control by photovoltaic cell 6 or accumulator E2
The supply voltage of circuit board processed.Daytime, relay S1 and S2 are all normally open (getting to upper end), and photovoltaic cell 6 passes through voltage stabilizing
Device 7805 is depressured to 5V, is horizontal motor 2, pitching motor 5 and control circuit board power supply, and be accumulator E2 chargings, accumulator
The reversed phase hold-off diode D5 of E2 anodes ensures that charging process is not discharged simultaneously.Night or sunshine are very poor, MSP430F148 controls
Relay S1 and S2, which is attracted, arrives lower end, and horizontal motor 2 and pitching motor 5 are stopped, and circuit board supplies accumulator E2 in order to control
Electricity, and LED load is driven to work.
The utility model provides a kind of small-sized solar power-generating control system, passes through two groups of horizontal and vertical photosensitive electricity
The azimuth of the tracking sun and elevation angle, adjustment horizontal motor and pitching motor make photovoltaic cell always towards sunlight respectively for resistance
The strongest direction of line, while daytime is system power supply and to charge the battery by photovoltaic cell, and it is at night and cloudy by accumulator
Electric discharge powers and drives LED load, effectively increases the transfer efficiency of photovoltaic cell, extends the service life of photovoltaic cell,
Its is simple in structure, compact, easy for installation, cheap, and system power dissipation is low, and tracking precision is high, stability and good reliability,
Scalability is strong, using flexible, suitable for the solar power systems such as photovoltaic Traffic alarm light, small-sized photovoltaic power station.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, all record in detail in the claims.
Claims (5)
1. a kind of small-sized solar power-generating control system, it is characterised in that：Including pedestal, the submounts are fixed with horizontal electricity
Machine, the submounts are equipped with main shaft, and the main shaft is by the horizontal motor relative to the base rotation, the main shaft
It is installed with rotating bracket above, pitching motor is fixedly mounted on the rotating bracket side, pacifies at the top of the rotating bracket
Equipped with photovoltaic cell, the photovoltaic cell is rotated by the pitching motor relative to the rotating bracket；The photovoltaic cell
Upper surface is equipped with photosensitive unit, and the photosensitive unit includes the first~the 4th light sensor and the first~the 4th resistance, described
First~the 4th light sensor is evenly distributed on the position of east, south, west, north four of the photovoltaic cell upper surface, and described
One and third light sensor constitute horizontal photographic department, the deflection angle i.e. azimuth that the detection sun is westerly moved by east, described the
Two and the 4th light sensor constitutes vertical photographic department, detects the apparent altitude i.e. elevation angle of the sun；The chassis interior is equipped with control
Circuit board processed, the control circuit board respectively with the horizontal motor, the pitching motor, the photovoltaic cell and described photosensitive
Unit is electrically connected；
The control circuit board includes control unit, driving unit, DC-DC converter units, charge-discharge control unit and accumulator；
The photosensitive unit output level changing value, the A/D mouths for being sent into described control unit carry out analog-to-digital conversion, and described control unit is defeated
Go out pwm pulse signal, is connected with the input terminal of the driving unit；The driving unit includes the first and second photoelectric couplings
Device, motor driver, horizontal motor and pitching motor, wherein first and second photoelectrical coupler selects TLP521-4, institute
It is 57BYG007, the pitching to state motor driver and select eight road NPN Darlington transistor driver ULN2803, the horizontal motor
Motor is GSP-24RW-046, and the driving unit receives the drive signal of described control unit, controls the horizontal electricity respectively
The positive and negative rotation of machine and the pitching motor, to realize the photovoltaic cell positive and negative rotation；The DC-DC converter units include first
~third diode, the first inductance, the first and second capacitances, the 5th and the 6th resistance, wherein second capacitance is electrolysis electricity
Hold, the input terminal of the DC-DC converter units connects the photovoltaic cell, and the output voltage of the photovoltaic cell is transformed to institute
State the charging voltage of accumulator；The charge-discharge control unit includes voltage-stablizer, the third and fourth photoelectrical coupler, first and
The capacitance of the diode of two relays, the 4th and the 5th, the second inductance, third~the 5th and the 7th~the 9th resistance, wherein described steady
It is TLP521-2, third and fourth capacitance that depressor, which selects three terminal regulator 7805, third and fourth photoelectrical coupler,
For electrolytic capacitor, the charge-discharge control unit receives the control signal of described control unit, by described first and second after
The switching of electric appliance controls the accumulator cell charging and discharging.
2. a kind of small-sized solar power-generating control system according to claim 1, it is characterised in that：Described first~the 4th
Light sensor selects GM5516 type photo resistance.
3. a kind of small-sized solar power-generating control system according to claim 1, it is characterised in that：Described control unit is selected
With microcontroller MSP430F148.
4. a kind of small-sized solar power-generating control system according to claim 1, it is characterised in that：The photovoltaic cell rule
Lattice selection work 10~14V of voltage, operating current 1A.
5. a kind of small-sized solar power-generating control system according to claim 1, it is characterised in that：The accumulator specification
Select 12V-7AH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878458.2U CN207908984U (en) | 2017-12-28 | 2017-12-28 | A kind of small-sized solar power-generating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878458.2U CN207908984U (en) | 2017-12-28 | 2017-12-28 | A kind of small-sized solar power-generating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908984U true CN207908984U (en) | 2018-09-25 |
Family
ID=63569576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721878458.2U Active CN207908984U (en) | 2017-12-28 | 2017-12-28 | A kind of small-sized solar power-generating control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908984U (en) |
-
2017
- 2017-12-28 CN CN201721878458.2U patent/CN207908984U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190802 Address after: 570100 Huaxin Building, No. 5 Huaxin Road, Haikou City, Hainan Province, 1/2 of the north of the 8th floor Patentee after: Hainan Spectral Solar Energy Technology Engineering Co., Ltd. Address before: 313000 Fukang Garden 2 Business Building, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province Patentee before: Huzhou Zhen Shuo Automation Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1 / F, 5708 Huaxin Road, Beikou, Hainan Patentee after: Hainan spectrum energy saving and Environmental Protection Technology Co.,Ltd. Address before: 1 / F, 5708 Huaxin Road, Beikou, Hainan Patentee before: Hainan Spectral Solar Energy Technology Engineering Co.,Ltd. |